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Inverter type defibrillation pulse generator

A pulse generator and inverter technology, applied in the field of medical devices, can solve the problems of wasting battery energy, charging capacitors, and missing the golden moment to rescue patients.

Active Publication Date: 2021-02-23
SHANGHAI UNIV OF MEDICINE & HEALTH SCI
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The main disadvantages of this method include: 1. The capacitor needs to be charged every time defibrillation
This will not only miss the golden moment of rescuing the patient, but also waste the energy in the battery
2. The release efficiency is low, and the release efficiency refers to the ratio of released energy to stored energy

Method used

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  • Inverter type defibrillation pulse generator
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  • Inverter type defibrillation pulse generator

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Embodiment Construction

[0019] The present invention will be further described below in conjunction with the accompanying drawings and specific embodiments.

[0020] Inverter-type defibrillation pulse generators, including:

[0021] The low-voltage energy storage module 1, the low-voltage energy storage module 1 is connected to the high-frequency converter 2, the rectifier filter 3, and the electrode 4 in sequence, and the number of the high-frequency converter 2 is more than one (when it is greater than or equal to two, it is set in series);

[0022] The first interface, the second interface, and the third interface of the high-speed pulse width modulation controller U1 of the high-frequency converter 2 are connected in parallel, the fifth interface of the U1 is connected in series with a resistor RT and grounded, and the sixth interface of the U1 and After the 7th interface is connected in parallel, connect the capacitor CT in series to ground, after the 13th and 15th interfaces of U1 are connected...

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Abstract

The invention relates to an inverter type defibrillation pulse generator, which comprises a low-voltage energy storage module, the low-voltage energy storage module is sequentially connected with morethan one high-frequency converter, a rectifier filter and an electrode (when the number of the high-frequency converters is more than or equal to two, the high-frequency converters are connected in series); energy in an energy storage device of the cardiac defibrillator is directly generated into high-voltage high-power defibrillation pulses through the high-frequency conversion technology, no high-voltage capacitor exists, and the defibrillation pulses are output in real time.

Description

technical field [0001] The invention relates to the technical field of medical devices, in particular to an inverse device that uses high-frequency conversion technology to directly generate high-voltage and high-power defibrillation pulses from the energy in the energy storage device of the heart defibrillator itself, without high-voltage capacitors, and immediately outputs defibrillation pulses. Variant defibrillation pulse generator. Background technique [0002] Ventricular fibrillation refers to the disordered excitation of the ventricle, resulting in the loss of regular and orderly excitation and diastolic and systolic function of the ventricle, which are all functional sudden cardiac arrest (SCA). This means that the person's heart has stopped pumping blood, which is a fatal arrhythmia. Ventricular fibrillation is an extremely chaotic manifestation of the heart's electrical activity and is generally difficult to stop on its own. Defibrillation refers to the depolari...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A61N1/39
CPCA61N1/3906A61N1/3975
Inventor 单纯玉李萍仲贝贝潘凌汤师婷李小莲
Owner SHANGHAI UNIV OF MEDICINE & HEALTH SCI
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